/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ai.h2o.sparkling.repl

import java.io.StringWriter

import scala.tools.nsc.interpreter.JPrintWriter

class IntpResponseWriter() extends JPrintWriter(new StringWriter()) {
  def reset(): Unit = {
    out.asInstanceOf[StringWriter].getBuffer.setLength(0)
  }

  def content: String = {
    out.toString
  }

  override def write(s: String): Unit = {
    // when running tests, store whole interpreter response
    if (!sys.props.contains("spark.testing")) {
      reset()
    }
    super.write(s)
  }
}
